Re: Coolant valve operation ?
I believe that valve is intended to completely block the flow of coolant. The valves sometimes fail, though.... luckily, replacements are available. Another sure-fire "fix" (more a band-aid than a fix) is to put a plumbing ball valve in your heater hose. Just be sure to open the valve before you need the heater/defroster.
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- Mike -
1972 K20 LWB 350/350/205
RIP El Jay
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